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450541040 = 2455631763
BaseRepresentation
bin11010110110101…
…011010111110000
31011101202212010012
4122312223113300
51410314303130
6112412354052
714110351505
oct3266532760
91141685105
10450541040
11211356174
12106a75928
1372459041
1443b9d4ac
1529848995
hex1adab5f0

450541040 has 20 divisors (see below), whose sum is σ = 1047508104. Its totient is φ = 180216384.

The previous prime is 450541033. The next prime is 450541061. The reversal of 450541040 is 40145054.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 450540997 and 450541015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2815802 + ... + 2815961.

Almost surely, 2450541040 is an apocalyptic number.

450541040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450541040 is an abundant number, since it is smaller than the sum of its proper divisors (596967064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450541040 is a wasteful number, since it uses less digits than its factorization.

450541040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631776 (or 5631770 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 450541040 is about 21225.9520398968. The cubic root of 450541040 is about 766.6164235085.

Adding to 450541040 its reverse (40145054), we get a palindrome (490686094).

The spelling of 450541040 in words is "four hundred fifty million, five hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5631763 11263526 22527052 28158815 45054104 56317630 90108208 112635260 225270520 450541040